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Sulfur speciation in hydrous experimental glasses of varying oxidation state - Results from measured wavelength shifts of sulfur X-raysThe focusing geometry of an electron microprobe has been used to measure the wavelength shifts of sulfur X-rays from hydrous experimental melts synthesized at oxygen fugacities that range from near the iron-wustite buffer to the magnetite-hermatite buffer. It is found that the proportion of dissolved sulfur which is present as sulfate increases with increasing oxygen fugacity. It is noted that in natural melts that have equilibrated at or below fayalite-magnetite-quartz values of +1, sulfur is probably present mainly as S(2-).
Document ID
19890041921
Document Type
Reprint (Version printed in journal)
Authors
Carroll, Michael R.
(Brown Univ. Providence, RI, United States)
Rutherford, Malcolm J.
(Brown University Providence, RI, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1988
Publication Information
Publication: American Mineralogist
Volume: 73
ISSN: 0003-004X
Subject Category
Inorganic And Physical Chemistry
Accession Number
89A29292
Funding Number(s)
CONTRACT_GRANT: NSG-7589
CONTRACT_GRANT: NSF EAR-84-15794
CONTRACT_GRANT: NSF EAR-85-00795
Distribution Limits
Public
Copyright
Other

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